i want to adopt my seventeen yr old son i want to adopt my seventeen yr old son who has been in my family since he was seven..we are doing this because the Navy which he intends to join requires contact or adoption. we cannot find his father who left his mother and disappeared when he was 5 ..in honduras. my wife and i have been married 10 yrs and she as well as he are U.S. citizens. he was born in honduras but has lived here in the U.S. 10 yrs. are there forms i can get? what is the cost ? is difficult?